- 16 Cornucopias
- 3 Cornucopias (motifs)
- 1 Cornwallis, Charles Cornwallis, Marquis, 1738-1805
- 2 Corporate headquarters
- 1 Corporate mergers
- 1 Corr, J. Coal, Lime & Stone Yard
- 6 Correspondence
- 6 Corridors
- 8 Corruption
- 5 Corsets
- 3 Corsica and Sardinia
- 1 Cortez Palace
- 1 Cosco, Leandro di
- 3 Cosens, F. W. (Frederick William), 1819-1889
- 7 Cosmetics
- 8 Cosmetics industry
- 2 Cost & standard of living
- 1 Costa Rica
- 1 Costa, Michael, 1808-1884.
- 2 Costello, Dudley, 1803-1865
- 7 Costs
- 200 Costume (mode of fashion)
- 42 Costumes (character dress)
- 13 Cottages
- 1 Cotter Hotel, The
- 1 Cottman and Bro. Carpet Cleaning
- 12 Cottman Avenue
- 3 Cottman Street
- 1 Cottman's Hotel
- 4 Cotton
- 1 Cotton Famine
- 6 Cotton industry
- 15 Cotton mills
- 1 Cotton plantations
- 4 Couches
- 4 Coulter Street
- 1 Council of Constantinople (1st : 381)
- 1 Council of Nicaea (1st : 325)
- 1 Count Von Harrach (Firm)
- 2 Counter-Reformation